#include <stdio.h>
#include <sys/stat.h>
#include <stdlib.h>
int main(int argc, char *argv[] )
{
	struct stat infobuf;           
        char *filename;
       
        if(argc !=2){
        printf("Please input filename\n");
        exit(-1);
           }
         filename = argv[1];
       
	if ( stat( filename, &infobuf) == -1 )
		perror("filename");
	else
		printf(" The size of %s is %d\n",filename,(int) infobuf.st_size );
}
